If you are looking for a direct download link for Oracle 8i compatible with Windows 10 64-bit, it does not exist. Oracle Database 8i (released in 1999) reached its "End of Life" status decades ago and was designed for 32-bit Windows architectures (Windows NT, 2000, and early XP). There is no official 64-bit version of Oracle 8i, and the 32-bit version is fundamentally incompatible with modern 64-bit Windows 10 kernels.
Do not trust any website that claims "Oracle 8i for Windows 10 64-bit Setup.exe." Those files are either: oracle 8i download for windows 10 64bit link
If you must access Oracle 8i for legacy reasons, here are the key considerations and alternatives: Compatibility & Limitations Unsupported Configuration If you are looking for a direct download
: Oracle 8i is an older version of the database management system, and it may not be compatible with the latest operating systems or software. Use at your own risk. Do not trust any website that claims "Oracle
Official downloads for (released in 1999) are no longer available on the Oracle Technology Network , as the software was desupported over two decades ago. Furthermore, Oracle 8i was never certified for and is not natively compatible with Windows 10 64-bit .
: If you need to connect to an existing 8i database from Windows 10, using the Oracle 10g or 11g Client